CN2762039Y - Separated thermotube heat exchanger - Google Patents
Separated thermotube heat exchanger Download PDFInfo
- Publication number
- CN2762039Y CN2762039Y CN 200420058788 CN200420058788U CN2762039Y CN 2762039 Y CN2762039 Y CN 2762039Y CN 200420058788 CN200420058788 CN 200420058788 CN 200420058788 U CN200420058788 U CN 200420058788U CN 2762039 Y CN2762039 Y CN 2762039Y
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- heat
- flue gas
- heat exchanger
- exchanger
- temperature
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Abstract
The utility model discloses a separated thermotube heat exchanger (GGH). The utility model utilizes the thermal energy of high-temperature side original flue gas to enhance the temperature of flue gas desulfurized and purified by a wet type ammonia process through connecting with a flue in a wet type ammonia-process flue gas desulfurizing device, and the temperature of the high-temperature side original flue gas is transferred to low-temperature clean flue gas of an outlet of the desulfurizing device so that the saturation temperature of the desulphurized clean flue gas is raised by 15-20DEG. C. The utility model solves the problem that the clean flue gas is heated up after the flue gas is desulfurized, satisfies the requirements of flue gas discharge and diffusion of a chimney and prevents wet flue gas from generating corrosive hidden dangers to the chimney.
Description
Technical field
The utility model relates to a kind of separate heat pipe heat-exchanger rig, specifically, relates to a kind of wet ammonia method for flue gas desulfurizing device that is used for, the separate heat pipe heat-exchanger rig that the clean flue gas of low temperature heats up and discharges after the realization desulfurization.
Background technology
At present, in the wet ammonia method for flue gas desulfurizing industry, problem for clean flue gas intensification after the solution flue gas desulfurization, satisfy the requirement that chimney smoke row is high and spread, prevent that wet flue gas from producing the hidden danger of corrosion to chimney, the general monoblock type that adopts, rotary type heat exchanger or steam heater, the employing electric heater is also arranged, promote because of wet ammonia process desulfurizing flue gas after being purified temperature, but the cost of selected heater is very expensive, the flue gas resistance that produces is big, especially the energy consumption of Steam Heating and electric heater is big especially, and equipment volume is huge, causes difficulty is installed, be subjected to manufacturing process, structure, the restriction of material, anticorrosion, the problem of leaking out is difficult to solve.
The utility model content
The utility model technical issues that need to address just are to overcome the defective of prior art, a kind of separate heat pipe heat-exchanger rig is provided, it utilizes the heat energy of the former flue gas of high temperature side to promote because of wet ammonia process desulfurizing flue gas after being purified temperature, is to reduce wet ammonia process desulfurizing operating cost, energy-saving and cost-reducing good approach.It by with the wet ammonia method for flue gas desulfurizing device in being connected of flue, make the temperature of the former flue gas of high temperature side pass to the clean flue gas of low temperature of desulfurizer outlet.Make 15-20 ℃ of the saturation temperature rising of clean flue gas after the desulfurization.Solved the problem that clean flue gas heats up after the flue gas desulfurization, satisfied the requirement of chimney smoke row height and diffusion, prevented that wet flue gas from producing the hidden danger of corrosion to chimney.
For addressing the above problem, the utility model adopts following technical scheme:
The utility model separate heat pipe heat-exchanger rig, it is imported and exported flue with the wet ammonia method for flue gas desulfurizing device and is connected, described heat-exchanger rig is made up of two groups of heat exchangers, be respectively cooling heat exchanger and temperature rise heat exchanger, connect by connecting pipe between them, heat transferring medium is arranged in the heat-exchanger rig, and the cooling heat exchanger is installed on the inlet flue duct of wet ammonia method for flue gas desulfurizing device, and temperature rise heat exchanger is installed on the exhaust pass of wet ammonia method for flue gas desulfurizing device.
Preferably, heat exchange of heat pipe described in the utility model is the aluminum alloy fin heat exchange of heat pipe.Heat transferring medium in the described heat exchanger can carry out forced circulation by adding armored pump.Be provided with potential difference between described cooling heat exchanger and the temperature rise heat exchanger, the medium in the described heat exchanger can realize that thermal source flows and heat release to low-temperature receiver by the potential difference between cooling heat exchanger and the temperature rise heat exchanger.
Operation principle of the present utility model is to borrow the interior medium of finned tube to absorb the heat of high temperature side under vacuum condition, along with latent heat of vaporization increase makes the liquid distillation be steam, the steam that produces carries out heat release along importing temperature rise heat exchanger communicating pipe, steam is condensed into water and returns the in proper order circulation of absorbing heat of cooling heat exchanger, reaches the effect of heat exchange.
The utility model separate heat pipe heat-exchanger rig, the cooling heat exchanger is installed on the inlet flue duct of wet ammonia method for flue gas desulfurizing device, absorb the heat energy in the flue gas, be delivered to the desulfurizer outlet by the fluid media (medium) in the heat exchanger connecting pipe, temperature rise heat exchanger is installed on the exhaust pass of wet ammonia method for flue gas desulfurizing device, discharge the heat energy that is absorbed, make the heat of import high-temperature flue gas pass to low-temperature flue gas, realize the long-distance transmissions of heat energy by medium.Reach the order ground that flue gas heats up.
The beneficial effects of the utility model are: use the low temperature clean flue gas of heat energy heating after desulfurization that separated aluminium alloy finned tube heat-exchanger rig utilizes former flue gas in the wet ammonia method for flue gas desulfurizing device, it has increased heat exchange area, good heat conductivity, clean flue gas quick heating, overcome the corrosion of wet flue gas to equipment, reduce flue gas resistance, make volume-diminished, the weight saving of equipment, equipment manufacturing cost is low, corrosion-resistant, additionally do not consume energy, be convenient to install, and is energy-saving and cost-reducing.It is flue gas heat exchange device comparatively desirable in the wet ammonia method for flue gas desulfurizing device.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model aluminum alloy fin heat exchange of heat pipe structural representation.
Fig. 3 is the utility model scheme of installation.
The specific embodiment
As shown in Figure 1, the utility model separate heat pipe heat-exchanger rig, it is imported and exported flue with the wet ammonia method for flue gas desulfurizing device and is connected, described heat-exchanger rig is made up of two groups of heat exchangers, be respectively cooling heat exchanger 1 and temperature rise heat exchanger 2, connect by connecting pipe 3 between them, heat transferring medium is arranged in the heat-exchanger rig, be provided with potential difference between cooling heat exchanger and the temperature rise heat exchanger, cooling heat exchanger installation site is lower than the installation site of temperature rise heat exchanger, the cooling heat exchanger is installed on the inlet flue duct of wet ammonia method for flue gas desulfurizing device, and temperature rise heat exchanger is installed on the exhaust pass of wet ammonia method for flue gas desulfurizing device.The direction of arrow is the flow of flue gas direction among the figure.As shown in Figure 2, described heat exchange of heat pipe is the aluminum alloy fin heat exchange of heat pipe.
As shown in Figure 3, the direction of arrow is the flow of flue gas direction among the figure, and the flue gas that boiler combustion produces enters desulfurizing tower 5 through deduster, induced-draught fan 4 behind cooling heat exchanger 1, and flue gas carries out chemical reaction with absorbent in desulfurizing tower, the SO in the flue gas
2Be removed.Flue gas after being purified is removed the drop that carries and is entered chimney 6 through temperature rise heat exchanger 2 through demister.Flue gas is introduced into the heat that the cooling heat exchanger absorbs high-temperature flue gas, medium in the heat exchanger is heated and produces to low temperature side and move, the contained heat energy of medium is absorbed by low-temperature flue gas in temperature rise heat exchanger, medium condenses into water by steam state and turns back to cooling heat exchanger continuation heat absorption circulation, to reach the effect that the clean flue gas of low temperature is heated up.
Medium in the utility model heat exchanger can carry out forced circulation by adding armored pump, also can realize that thermal source is to the low-temperature receiver heat release by the potential difference between cooling heat exchanger and the temperature rise heat exchanger.
Claims (4)
1, a kind of separate heat pipe heat-exchanger rig, it is imported and exported flue with the wet ammonia method for flue gas desulfurizing device and is connected, it is characterized in that: described heat-exchanger rig is made up of two groups of heat exchangers, be respectively cooling heat exchanger and temperature rise heat exchanger, connect by connecting pipe between them, heat transferring medium is arranged in the heat-exchanger rig, and the cooling heat exchanger is installed on the inlet flue duct of wet ammonia method for flue gas desulfurizing device, and temperature rise heat exchanger is installed on the exhaust pass of wet ammonia method for flue gas desulfurizing device.
2, heat-exchanger rig as claimed in claim 1 is characterized in that: described heat exchange of heat pipe is the aluminum alloy fin heat exchange of heat pipe.
3, heat-exchanger rig as claimed in claim 1 or 2 is characterized in that: the heat transferring medium in the described heat exchanger can carry out forced circulation by adding armored pump.
4, heat-exchanger rig as claimed in claim 1 or 2, it is characterized in that: be provided with potential difference between described cooling heat exchanger and the temperature rise heat exchanger, the medium in the described heat exchanger can realize that thermal source flows and heat exchange to low-temperature receiver by the potential difference between cooling heat exchanger and the temperature rise heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058788 CN2762039Y (en) | 2004-12-17 | 2004-12-17 | Separated thermotube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058788 CN2762039Y (en) | 2004-12-17 | 2004-12-17 | Separated thermotube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762039Y true CN2762039Y (en) | 2006-03-01 |
Family
ID=36095159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420058788 Expired - Fee Related CN2762039Y (en) | 2004-12-17 | 2004-12-17 | Separated thermotube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762039Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443850C (en) * | 2007-02-15 | 2008-12-17 | 南京工业大学 | Heat pipe type solid phase powder heat exchanging system |
| CN101301573B (en) * | 2008-01-15 | 2012-07-25 | 李宝林 | Tower for purfying flue gas and use method thereof |
| CN102721305A (en) * | 2012-04-09 | 2012-10-10 | 舒少辛 | Flue gas heating device and flue gas heating method |
| CN104154549A (en) * | 2014-08-08 | 2014-11-19 | 马玉峰 | Boiler wet desulfurization and demisting, smoke reheating and chimney corrosion prevention integrated device and method |
-
2004
- 2004-12-17 CN CN 200420058788 patent/CN2762039Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443850C (en) * | 2007-02-15 | 2008-12-17 | 南京工业大学 | Heat pipe type solid phase powder heat exchanging system |
| CN101301573B (en) * | 2008-01-15 | 2012-07-25 | 李宝林 | Tower for purfying flue gas and use method thereof |
| CN102721305A (en) * | 2012-04-09 | 2012-10-10 | 舒少辛 | Flue gas heating device and flue gas heating method |
| CN102721305B (en) * | 2012-04-09 | 2016-08-17 | 舒少辛 | A kind of Smoke-heating device and method |
| CN104154549A (en) * | 2014-08-08 | 2014-11-19 | 马玉峰 | Boiler wet desulfurization and demisting, smoke reheating and chimney corrosion prevention integrated device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINGHE & YICHANG ENVIRONMENTAL PROTECTION CO., LT Free format text: FORMER OWNER: WANG MINGXIANG; PATENTEE Effective date: 20070202 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070202 Address after: 214200, Jiangsu City, Yixing Province town of Wen Village Patentee after: Yixing Heyichang Environment Protection Co., Ltd. Address before: 214200, Jiangsu City, Yixing Province town of Wen Village Co-patentee before: Liu Xinya Patentee before: Wang Mingxiang |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060301 Termination date: 20101217 |